@ -56,7 +56,7 @@ class AudiomackIE(InfoExtractor):
# API is inconsistent with errors
if 'url' not in api_response or not api_response['url'] or 'error' in api_response:
raise ExtractorError('Invalid url %s', url)
raise ExtractorError('Invalid url %s' % url)
# Audiomack wraps a lot of soundcloud tracks in their branded wrapper
# if so, pass the work off to the soundcloud extractor